import turtle
t = turtle.Turtle()
a = int(input())
x = int(input())
y = int(input())
if x < 250 and x > -250 and y  > -250 and y < 250:
  t.penup()
  t.goto(x,y)
  t.pendown()
  t.begin_fill()
  t.fillcolor('blue')
  t.right(90)
  t.forward(300*a)
  t.left(90)
  t.forward(100*a)
  t.left(90)
  t.forward(100*a)
  t.right(90)
  t.forward(100*a)
  t.left(90)
  t.forward(100*a)
  t.left(90)
  t.forward(100*a)
  t.right(90)
  t.forward(100*a)
  t.left(90)
  t.forward(100*a)
  t.end_fill()
else:
    print('Ошибка')
